In the old days, I had polarizing filters for my film SLRs. As far as I know they were just "polarizing." So I've been looking around for a new PL filter, and all I can find are ones labeled "circular ...

Sigma WR Circular PL Filter CPL-21 and refreshed PTC‑21/PUV‑21 protectors update Sigma's filters — available now / order today at FilmTools ...

Haida has announced a new 2-in-1 filter that provides both a variable circular polarizer and a variable neutral density filter in a single device that allows each to be controlled independently. The ...

The H&Y RevoRing Filter System is an innovative way to adapt circular filters quickly and easily across a variety of lenses. Every so often, a product comes along and changes the way we’ve done ...

One of the most important tools in a landscape photographer’s kit is a polarizing filter. Unlike a graduated neutral density filter, the effects of the polarizer cannot be easily replicated in ...

If you’re looking to maximize the performance of your Sony lenses in the great outdoors, the company has recently unveiled a new selection of filters to pair with your glass. The new Circular ...

Neutral density (ND) filters are a requirement for shooting smooth video in bright light, and circular polarizing (CPL) filters are often needed to improve contrast or darken a bright sky — but what ...

Cody has been writing with Android Police for ten years. While best known for the hundreds of APK Teardowns and breaking news on many of Google’s new products and services, he also covers deeper ...

A camera lens filter is pretty much what you’d expect: it’s a physical piece of glass that attaches to your camera’s lens, filters the light before it reaches the sensor and, typically, has an effect ...

Cross polarization transforms images of a variety of clear subjects into rainbow, fluorescent works of art with equipment that you probably already have. Learn the easy process behind this clever ...